Quote Originally Posted by RedHeartbeat View Post
On the flywheel end of the engine block is cast 6.0 if its a 6 liter. If it has 4.8/5.3 on it you have to roll a piston to the bottom of the bore and then measure how deep it is. If its about 3-5/8" then its a 5.3L, less means its a 4.8L
Would I be able to see that from underneath? We've kind of have a little competition going for a while so I'm just curious...He's good about sneaking little things in hear and there and b s-ing me. I'd say he's way ahead now since I siezed my motor when I had that STS kit on...